The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 09, 1994
Filed:
Nov. 26, 1991
Applicant:
Inventor:
Keiji Toriyama, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257435 ; 257437 ; 257659 ;
Abstract
In a solid-state image pickup device, a high melting point metal film is used in a cell portion region (photoelectric conversion portion) as a light shielding film which defines an open area of a photoelectric conversion element and an aluminum film which is covered with a high melting point metal is used in a peripheral region as wiring.